Tekno RC

TKR9416B – Gearbox (-2mm, F/R, EB/NB/ET/NT48 2.x)

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  • TKR9416B – Gearbox (-2mm, F/R, EB/NB/ET/NT48 2.x) Coast 2 Coast RC
  • TKR9416B – Gearbox (-2mm, F/R, EB/NB/ET/NT48 2.x) Coast 2 Coast RC


Introducing the TKR9416B Gearbox by Tekno RC, designed specifically for the EB/NB/ET/NT48 2.x. Crafted with utmost precision and engineering excellence, this -2mm gearbox is a game-changer. Its innovative design ensures maximum durability and reliability, allowing you to take on any RC racing challenge with confidence. The TKR9416B Gearbox provides enhanced performance, offering seamless control, and seamless front and rear functionality. Made with the finest materials, this high-quality component guarantees long-lasting performance. Make a statement in the RC racing world with the TKR9416B Gearbox by Tekno RC, a must-have product for every RC enthusiast.

 TKR9416B – Gearbox (-2mm, F/R, EB/NB/ET/NT48 2.x)

Tekno RC is pleased to announce the availability of a new -2mm gear box for all 2.X 1/8th scale vehicles! This new gearbox lowers the diff height, which improves bump handling and provides a smoother, more consistent driving experience, especially mid-corner. TKR9416B requires the new TKR9017B bulkhead cover. 

To avoid contact with the chassis, Tekno RC NB48 2.X buggies require a light grind (removing roughly 0.5mm of material) on the chassis below the ring gear. TKR9416B is a direct drop in for the EB/ET/NT48 2.X 1/8th scale vehicles and no modifications are necessary. 

To use this Gearbox in the front of EB/ET/NT48 2.X vehicles, will require changing of the outer pinion Bearing to TKRBB05145.

We recommend utilizing TKR9054B +/-2 rear hubs when using this new gearbox with the NB/EB48 buggies. The combination of TKR9416B and TKR9054B improves overall grip, stability, and predictability in the rear end. 

Recommended to use with:

TKR9054B – Rear Hubs and Bearing Spacers  (+/-2mm, adj roll center, L/R, EB/NB48 2.1)
TKR9017B – Sway Bar and Bulkhead Acc (for -2mm bulkheads)
TKR9284B – Suspension Arms (revised, rear, EB/NB48 2.1)


Please see the following setups using this part for other recommendations:

2023_07_23 – EB48 2.1 – Ryan Maifield – ROAR 1-8th Electric Nationals.jpg
2023_07_30 – EB48 2.1 – Seth VanDalen – Wicked Weekend.jpeg
2023_07_30 – NB48 2.1 – Seth VanDalen – Wicked Weekend.jpeg
2023_07_30 – NB48 2.1 – Jared Wiggins – Base Setup.jpeg

Vehicle Compatibility

  • TKR9416B - Gearbox (-2mm, F/R, EB/NB/ET/NT48 2.x) is not included with any kit.
  • This can be used with the EB48 2.1, ET48 2.0, NB48 2.1 and NT48 2.0 vehicles and should be a direct replacement for the stock part or used as a new feature. Please use the instruction manual for the kit(s) listed to verify compatibility and no additional items are necessary before purchasing.

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